HUP0402078A2 - Method and installation for densifying porous substrate by gas-phase chemical infiltration - Google Patents

Method and installation for densifying porous substrate by gas-phase chemical infiltration

Info

Publication number
HUP0402078A2
HUP0402078A2 HU0402078A HUP0402078A HUP0402078A2 HU P0402078 A2 HUP0402078 A2 HU P0402078A2 HU 0402078 A HU0402078 A HU 0402078A HU P0402078 A HUP0402078 A HU P0402078A HU P0402078 A2 HUP0402078 A2 HU P0402078A2
Authority
HU
Hungary
Prior art keywords
furnace
reactive gas
gas
temperature
heated
Prior art date
Application number
HU0402078A
Other languages
Hungarian (hu)
Inventor
Eric Sion
Yvan Baudry
Bernard Delperier
Original Assignee
Messier-Bugatti
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Messier-Bugatti filed Critical Messier-Bugatti
Publication of HUP0402078A2 publication Critical patent/HUP0402078A2/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
    • C23C16/04—Coating on selected surface areas, e.g. using masks
    • C23C16/045—Coating cavities or hollow spaces, e.g. interior of tubes; Infiltration of porous substrates
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/71—Ceramic products containing macroscopic reinforcing agents
    • C04B35/78—Ceramic products containing macroscopic reinforcing agents containing non-metallic materials
    • C04B35/80—Fibres, filaments, whiskers, platelets, or the like
    • C04B35/83—Carbon fibres in a carbon matrix
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
    • C23C16/44—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating
    • C23C16/455—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating characterised by the method used for introducing gases into reaction chamber or for modifying gas flows in reaction chamber
    • C23C16/45563—Gas nozzles
    • C23C16/4557—Heated nozzles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S427/00—Coating processes
    • Y10S427/10—Chemical vapor infiltration, i.e. CVI

Abstract

A találmány tárgya eljárás és berendezés porózus munkadarabokporozitásának csökkentésére reaktív gáz kémiai átgőzölögtetésévelbejuttatott beágyazóanyaggal, ahol a gázban a beágyazóanyag legalábbegy, gáz halmazállapotú prekurzora van jelen, és az eljárás során amunkadarabot kemence adagterében helyezik el, továbbá a kemencében azmunkadarabot a reaktív gázban jelenlévő prekurzor beágyazóanyaggáalakulásának hőmérsékletére hevítik, továbbá a reaktív gázt akemencébe vezetik, és a kemencébe belépő reaktív gázt felhevítik úgy,hogy gázhevítő téren juttatják át, amelyet a reaktív gáz kemencénbelüli áramlásának irányából nézve az adagtér belépő oldalán rendeznekel, valamint a reaktív gázt a kemencébe juttatás előtt előhevítenekúgy, hogy a kemencébe vezetendő reaktív gázt a környezeti hőmérsékletés az munkadarabok hevítésének hőmérséklete közötti hőmérsékletrehevítik. ÓThe subject of the invention is a method and equipment for reducing the porosity of porous workpieces with an embedding material introduced by chemical vaporization of a reactive gas, where at least one gaseous precursor of the embedding material is present in the gas, and during the process, a piece of amla is placed in the feed space of a furnace, and in the furnace, the workpiece is heated to the temperature at which the precursor present in the reactive gas becomes the embedding material , and the reactive gas is led into a furnace, and the reactive gas entering the furnace is heated by passing it through a gas heating space, which is arranged on the entrance side of the dose space in terms of the direction of the flow of the reactive gas inside the furnace, and the reactive gas is preheated before entering the furnace so that it enters the furnace the reactive gas to be conducted is heated to a temperature between the ambient temperature and the temperature of heating the workpieces. HE

HU0402078A 2001-12-26 2002-12-24 Method and installation for densifying porous substrate by gas-phase chemical infiltration HUP0402078A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/034,848 US6953605B2 (en) 2001-12-26 2001-12-26 Method for densifying porous substrates by chemical vapour infiltration with preheated gas
PCT/FR2002/004554 WO2003056059A1 (en) 2001-12-26 2002-12-24 Method and installation for densifying porous substrate by gas-phase chemical infiltration

Publications (1)

Publication Number Publication Date
HUP0402078A2 true HUP0402078A2 (en) 2005-01-28

Family

ID=21878976

Family Applications (1)

Application Number Title Priority Date Filing Date
HU0402078A HUP0402078A2 (en) 2001-12-26 2002-12-24 Method and installation for densifying porous substrate by gas-phase chemical infiltration

Country Status (17)

Country Link
US (2) US6953605B2 (en)
EP (1) EP1458902B1 (en)
JP (1) JP4426302B2 (en)
KR (1) KR100896854B1 (en)
CN (1) CN100371493C (en)
AT (1) ATE340880T1 (en)
AU (1) AU2002364339B2 (en)
BR (1) BR0215313B1 (en)
CA (1) CA2471672C (en)
DE (1) DE60215048T2 (en)
ES (1) ES2274121T3 (en)
HU (1) HUP0402078A2 (en)
IL (1) IL162659A0 (en)
MX (1) MXPA04006329A (en)
RU (1) RU2319682C2 (en)
UA (1) UA78733C2 (en)
WO (1) WO2003056059A1 (en)

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Also Published As

Publication number Publication date
CA2471672C (en) 2011-03-22
ES2274121T3 (en) 2007-05-16
EP1458902B1 (en) 2006-09-27
BR0215313A (en) 2004-10-19
BR0215313B1 (en) 2011-11-29
KR100896854B1 (en) 2009-05-12
MXPA04006329A (en) 2004-10-04
UA78733C2 (en) 2007-04-25
JP4426302B2 (en) 2010-03-03
EP1458902A1 (en) 2004-09-22
CN100371493C (en) 2008-02-27
CN1608142A (en) 2005-04-20
US20030205203A1 (en) 2003-11-06
RU2319682C2 (en) 2008-03-20
AU2002364339B2 (en) 2008-09-04
US20030118728A1 (en) 2003-06-26
US6953605B2 (en) 2005-10-11
RU2004118418A (en) 2005-06-10
JP2005512940A (en) 2005-05-12
DE60215048D1 (en) 2006-11-09
KR20040071754A (en) 2004-08-12
AU2002364339A1 (en) 2003-07-15
IL162659A0 (en) 2005-11-20
ATE340880T1 (en) 2006-10-15
DE60215048T2 (en) 2007-05-10
CA2471672A1 (en) 2003-07-10
WO2003056059A1 (en) 2003-07-10

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